Tags → #economic-attack
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x402 Vector 6: AI-agent wallet drain via slow-burn pricing
AI agents on x402 use programmatic keypairs and auto-approve every payment under a price threshold. A service that ramps prices upward slowly after trust is established drains the agent without ever tripping the threshold.
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x402 Vector 3: facilitator gas drain
x402 facilitators pay all transaction fees and the spec defines no per-client rate limit. A flood of valid-looking transactions that fail at maximum compute-unit consumption is a per-request economic attack on the facilitator.